以项目中集成第三方开源库为例，经常需要修改Other Linker Flags选项，默认xcode8.1没有这个选项（或者没有找到），此时：
找到项目文件 ：＊.xcodeproj ，右键显示包内容，用文本编辑器打开：project.pbxproj
定位到：
/* Begin XCBuildConfiguration section */
下面一般有两个配置: Debug 和 Release
加入如下内容：
OTHER_LDFLAGS = (
"-lctemplate-iOS",
"-letpan-ios",
"-lxml2",
"-lsasl2",
"-liconv",
"-ltidy",
"-lz",
"-lc++",
"-lresolv",
"-stdlib=libc++",
"-ObjC",
);
完整配置文件中相关内容如下：
/* Begin XCBuildConfiguration section */
DB123E481C3CA6C5004FCAA5 /* Debug */ = {
isa = XCBuildConfiguration;
buildSettings = {
ALWAYS_SEARCH_USER_PATHS = NO;
CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
CLANG_CXX_LIBRARY = "libc++";
CLANG_ENABLE_MODULES = YES;
CLANG_ENABLE_OBJC_ARC = YES;
CLANG_WARN_BOOL_CONVERSION = YES;
CLANG_WARN_CONSTANT_CONVERSION = YES;
CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
CLANG_WARN_EMPTY_BODY = YES;
CLANG_WARN_ENUM_CONVERSION = YES;
CLANG_WARN_INT_CONVERSION = YES;
CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
CLANG_WARN_UNREACHABLE_CODE = YES;
CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
COPY_PHASE_STRIP = NO;
DEBUG_INFORMATION_FORMAT = dwarf;
ENABLE_STRICT_OBJC_MSGSEND = YES;
ENABLE_TESTABILITY = YES;
GCC_C_LANGUAGE_STANDARD = gnu99;
GCC_DYNAMIC_NO_PIC = NO;
GCC_NO_COMMON_BLOCKS = YES;
GCC_OPTIMIZATION_LEVEL = 0;
GCC_PREPROCESSOR_DEFINITIONS = (
"DEBUG=1",
"$(inherited)",
);
GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
GCC_WARN_UNDECLARED_SELECTOR = YES;
GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
GCC_WARN_UNUSED_FUNCTION = YES;
GCC_WARN_UNUSED_VARIABLE = YES;
IPHONEOS_DEPLOYMENT_TARGET = 10.1;
MTL_ENABLE_DEBUG_INFO = YES;
ONLY_ACTIVE_ARCH = YES;
OTHER_LDFLAGS = (
"-lctemplate-ios",
"-letpan-ios",
"-lxml2",
"-lsasl2",
"-liconv",
"-ltidy",
"-lz",
"-lc++",
"-lresolv",
"-stdlib=libc++",
"-ObjC",
);
SDKROOT = iphoneos;
};
name = Debug;
};
DB123E491C3CA6C5004FCAA5 /* Release */ = {
isa = XCBuildConfiguration;
buildSettings = {
ALWAYS_SEARCH_USER_PATHS = NO;
CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
CLANG_CXX_LIBRARY = "libc++";
CLANG_ENABLE_MODULES = YES;
CLANG_ENABLE_OBJC_ARC = YES;
CLANG_WARN_BOOL_CONVERSION = YES;
CLANG_WARN_CONSTANT_CONVERSION = YES;
CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
CLANG_WARN_EMPTY_BODY = YES;
CLANG_WARN_ENUM_CONVERSION = YES;
CLANG_WARN_INT_CONVERSION = YES;
CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
CLANG_WARN_UNREACHABLE_CODE = YES;
CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
COPY_PHASE_STRIP = NO;
DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
ENABLE_NS_ASSERTIONS = NO;
ENABLE_STRICT_OBJC_MSGSEND = YES;
GCC_C_LANGUAGE_STANDARD = gnu99;
GCC_NO_COMMON_BLOCKS = YES;
GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
GCC_WARN_UNDECLARED_SELECTOR = YES;
GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
GCC_WARN_UNUSED_FUNCTION = YES;
GCC_WARN_UNUSED_VARIABLE = YES;
IPHONEOS_DEPLOYMENT_TARGET = 10.1;
MTL_ENABLE_DEBUG_INFO = NO;
SDKROOT = iphoneos;
VALIDATE_PRODUCT = YES;
};
name = Release;
};
DB123E4B1C3CA6C5004FCAA5 /* Debug */ = {
isa = XCBuildConfiguration;
buildSettings = {
ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
CODE_SIGN_IDENTITY = "iPhone Developer";
INFOPLIST_FILE = mailCore2Test/Info.plist;
IPHONEOS_DEPLOYMENT_TARGET = 8.1;
LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
PRODUCT_BUNDLE_IDENTIFIER = com.user.mailCore2Test;
PRODUCT_NAME = "$(TARGET_NAME)";
};
name = Debug;
};
DB123E4C1C3CA6C5004FCAA5 /* Release */ = {
isa = XCBuildConfiguration;
buildSettings = {
ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
CODE_SIGN_IDENTITY = "iPhone Developer";
INFOPLIST_FILE = mailCore2Test/Info.plist;
IPHONEOS_DEPLOYMENT_TARGET = 8.1;
LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
OTHER_LDFLAGS = (
"-lctemplate-ios",
"-letpan-ios",
"-lxml2",
"-lsasl2",
"-liconv",
"-ltidy",
"-lz",
"-lc++",
"-lresolv",
"-stdlib=libc++",
"-ObjC",
);
PRODUCT_BUNDLE_IDENTIFIER = com.user.mailCore2Test;
PRODUCT_NAME = "$(TARGET_NAME)";
};
name = Release;
};
/* End XCBuildConfiguration section */
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